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Isaac Hermel

Senior Software Engineer | Distributed Systems & Product Engineering

Engineer focused on High-Throughput Architectures and Scalable Frontend Systems.
Currently designing data ingestion pipelines processing ~59,000 records/minute and optimizing Data Intensive Applications.

๐Ÿ—๏ธ Engineering Context & Architecture

I don't just use tools; I solve concurrency, latency, and scalability problems.

Domain Core Stack Engineering Focus
Distributed Systems NodeJS Kafka Redis Asynchronous messaging, Event-Driven Architecture, Caching Strategies (TTL/Eviction), and Rate Limiting.
Frontend Architecture NextJS TS Tailwind Micro-frontends, Design Systems, Server-Side Rendering (SSR) optimization, and strict Type Safety.
Quality & DevOps Docker Vitest CI/CD TDD/BDD workflows, Containerization, and Automated Pipelines for regression testing.

๐Ÿš€ Proof of Work (Selected Projects)

Role: Architect & Maintainer A reference implementation for mission-critical React applications.

  • Problem: Lack of standardization in testing strategies for complex UIs.
  • Solution: Implemented a Shift-Left Testing approach using Vitest and React Testing Library, enforcing TDD/BDD patterns to ensure zero-regression deployments.

Role: Creator

Headless logic library for React performance.

  • Engineering: Encapsulated complex state logic into type-safe hooks, reducing boilerplate and preventing unnecessary re-renders via advanced memoization patterns.

๐Ÿ’ผ Professional Impact

  • High-Volume ETL (Zenvia): Maintaining ingestion pipelines handling 59k+ records/min peak throughput across APIs and Airflow. Ensured data consistency for 5 distinct ERP integrations.
  • Operational Efficiency (Umbler): Architected an Internal Developer Platform (IDP) that reduced new engineer onboarding time by 50%.

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